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* [gcc r11-9272] rs6000: Fix vec_cpsgn parameter order (PR101985)
@ 2021-11-23 21:26 William Schmidt
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From: William Schmidt @ 2021-11-23 21:26 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:8fb9bf6667db0c9bac4145fcc02280b8d3133a27
commit r11-9272-g8fb9bf6667db0c9bac4145fcc02280b8d3133a27
Author: Bill Schmidt <wschmidt@linux.ibm.com>
Date: Tue Nov 23 14:33:18 2021 -0600
rs6000: Fix vec_cpsgn parameter order (PR101985)
Backport r12-4361 to releases/gcc-11.
2021-11-23 Bill Schmidt <wschmidt@linux.ibm.com>
gcc/
PR target/101985
* config/rs6000/altivec.h (vec_cpsgn): Swap operand order.
gcc/testsuite/
PR target/101985
* gcc.target/powerpc/pr101985-1.c: New.
* gcc.target/powerpc/pr101985-2.c: New.
Diff:
---
gcc/config/rs6000/altivec.h | 2 +-
gcc/testsuite/gcc.target/powerpc/pr101985-1.c | 18 ++++++++++++++++++
gcc/testsuite/gcc.target/powerpc/pr101985-2.c | 18 ++++++++++++++++++
3 files changed, 37 insertions(+), 1 deletion(-)
diff --git a/gcc/config/rs6000/altivec.h b/gcc/config/rs6000/altivec.h
index 5b631c7ebaf..ea72c9c1789 100644
--- a/gcc/config/rs6000/altivec.h
+++ b/gcc/config/rs6000/altivec.h
@@ -129,7 +129,7 @@
#define vec_vcfux __builtin_vec_vcfux
#define vec_cts __builtin_vec_cts
#define vec_ctu __builtin_vec_ctu
-#define vec_cpsgn __builtin_vec_copysign
+#define vec_cpsgn(x,y) __builtin_vec_copysign(y,x)
#define vec_double __builtin_vec_double
#define vec_doublee __builtin_vec_doublee
#define vec_doubleo __builtin_vec_doubleo
diff --git a/gcc/testsuite/gcc.target/powerpc/pr101985-1.c b/gcc/testsuite/gcc.target/powerpc/pr101985-1.c
new file mode 100644
index 00000000000..b4753ab83d7
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr101985-1.c
@@ -0,0 +1,18 @@
+/* PR target/101985 */
+/* { dg-do run } */
+/* { dg-require-effective-target vsx_hw } */
+/* { dg-options "-O2 -mvsx" } */
+
+#include <altivec.h>
+
+int
+main (void)
+{
+ vector float a = { 1, 2, - 3, - 4};
+ vector float b = {-10, 20, -30, 40};
+ vector float c = { 10, 20, -30, -40};
+ a = vec_cpsgn (a, b);
+ if (! vec_all_eq (a, c))
+ __builtin_abort ();
+ return 0;
+}
diff --git a/gcc/testsuite/gcc.target/powerpc/pr101985-2.c b/gcc/testsuite/gcc.target/powerpc/pr101985-2.c
new file mode 100644
index 00000000000..148ad657366
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/pr101985-2.c
@@ -0,0 +1,18 @@
+/* PR target/101985 */
+/* { dg-do run } */
+/* { dg-require-effective-target vsx_hw } */
+/* { dg-options "-O2 -mvsx" } */
+
+#include <altivec.h>
+
+int
+main (void)
+{
+ vector double a = { 1, -4};
+ vector double b = { -10, 40};
+ vector double c = { 10, -40};
+ a = vec_cpsgn (a, b);
+ if (! vec_all_eq (a, c))
+ __builtin_abort ();
+ return 0;
+}
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